The goal is to non-invasively study the metabolic processes within the aortic wall that are thought to explain progression to clinical manifestations of an aortic aneurysm. Hypothesis is that the non-invasive imaging of Abdominal Aortic Aneurysm (AAA) with contrast ultrasound, coupled with serum biomarker measurements will allow the identification of the vulnerable aortic wall and patients who are at risk of AAA growth or rupture.
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Annual Aneurysm Growth Rate Between Patients With and Without Micro Bubble Uptake
Timeframe: Up to 5 years or time of aneurysm repair surgery.
Number of Participants With Microbubble Uptake
Timeframe: At the first follow-up evaluation at 6 months